The curious student kept on _______ questions.

2024-01-18 02:42:11
初级语法

The curious student kept on _______ questions.

A.asks

B.asking

C.to ask

D.asked

正确答案是B

上一篇：He spent a lot of money _____ books and magazines.

下一篇：She went out without ______ good-bye to us.